Geomagnetic storms — Jul 31, 2017
Geomagnetic storms in London on Jul 31, 2017
the Earth's magnetosphere was quiet (Kp = 1.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from July 29 to 31, 2017 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

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Geomagnetic storms in London in July 2017
Changes in the maximum daily geomagnetic index Kp in July 2017 for mid latitudes
Location — London (geographic coordinates — 51.51 N -0.13 W | time zone UTC+00)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 3
Index F10.7 = 72